server.send ( 200, "text/html", temp ); digitalWrite ( led, 0 ); } void handleNotFound() { digitalWrite ( led, 1 ); String message = "File Not Found\n\n"; message += "URI: "; message += server.uri(); message += "\nMethod: "; message += ( server.method() == HTTP_G...
void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second Serial.write("LED ON\r\n"); digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for a second S...
pinMode(encoder0PinA, INPUT); digitalWrite(encoder0PinA, HIGH);// turn on pullup resistorpinMode(encoder0PinB, INPUT); digitalWrite(encoder0PinB, HIGH);// turn on pullup resistorattachInterrupt(0, doEncoder, CHANGE);// encoder pin on interrupt 0 - pin 2Serial.begin (9600); Serial.print...
digitalWrite ( led, 0 ); } voidsetup (void) { pinMode ( led, OUTPUT ); digitalWrite ( led, 0 ); Serial.begin ( 115200 ); WiFi.begin ( ssid, password ); Serial.println (""); // Wait for connection while( WiFi.status() != WL_CONNECTED ) { ...
Paste the following code into the Sketch Editor window (it’s similar to the Blink sketch, but the blinks last twice as long): const int ledPin = 13; // LED connected to digital pin 13 void setup() { pinMode(ledPin, OUTPUT); } void loop() { digitalWrite(ledPin, HIGH); // set...
Thanks to open source community */ #define SIZE 26 const int ledPin = 8; const int speakerPin = 12; const int dotButton = 2; const int dashButton = 7; String morseCode = ""; String text = ""; int characterAscii = 0; int startPos = 0, endPos = 0; ...
digitalWrite(pin, LOW); delay(250); } If you run this sketch, it will flash out the code for SOS (a distress call) on pin 13. 运行这段代码,会使Pin 13脚发出SOS紧急呼救信号。 The sketch has a few different parts that we'll need to bring into our library. First, of course, we ...
program for measuring the speed of digitalWrite program for testing all the outputs program for testing all the inputs You will find instructions on use of these examples directly in the source code in comments. Reference GPIO_pin_t- data type used for digital pins. The name ...
// Demonstration code for shiftIn int MARK = 7; int SERCLK = 6; int SERDATA = 5; void setup() { pinMode(MARK, OUTPUT); pinMode(SERDATA, INPUT); pinMode(SERCLK, OUTPUT); noInterrupts(); } void loop() { byte d; digitalWrite(MARK, HIGH); d = shiftIn(SERDATA, SERCLK, MSB...
#include<Arduino.h>voidsetup(){Serial.begin(9600);while(!Serial){delay(10);// wait for serial port to connect. Needed for native USB port only}pinMode(LED_BUILTIN,OUTPUT);}voidloop(){digitalWrite(LED_BUILTIN,HIGH);Serial.println("LED ON!");delay(1000);digitalWrite(LED_BUILTIN,LOW);...